Create indexes on postal code data for faster reads

database/mistox.sql

@@ -186,18 +186,18 @@ CREATE TABLE IF NOT EXISTS `JobListingSkill` (
 -- Postal Codes Section
 
 CREATE TABLE IF NOT EXISTS `PostalCodes` (
-  `country code` char(2),
+  `CountryCode` char(2),
-  `postal code` varchar(20),
+  `PostalCode` varchar(20),
-  `place name` varchar(180),
+  `City` varchar(180),
-  `state` varchar(100),
+  `State` varchar(100),
-  `state code` varchar(20),
+  `StateCode` varchar(20),
-  `city` varchar(100),
+  `County` varchar(100),
-  `admin code2` varchar(20),
+  `CountyCode` varchar(20),
-  `admin name3` varchar(100),
+  `Admin` varchar(100),
-  `admin code3` varchar(20),
+  `AdminCode` varchar(20),
-  `latitude` float,
+  `Latitude` float,
-  `longitude` float,
+  `Longitude` float,
-  `accuracy` varchar(2)
+  `Accuracy` varchar(2)
 );
 
 LOAD DATA INFILE '/var/lib/mysql-files/postalcodes.csv'
@@ -206,6 +206,11 @@ FIELDS TERMINATED BY '\t'
 ENCLOSED BY '"'
 LINES TERMINATED BY '\n';
 
+CREATE INDEX idx_country_code ON PostalCodes(CountryCode);
+CREATE INDEX idx_postal_code ON PostalCodes(PostalCode);
+CREATE INDEX idx_latitude ON PostalCodes(Latitude);
+CREATE INDEX idx_longitude ON PostalCodes(Longitude);
+
 -- Application Section
 
 CREATE TABLE IF NOT EXISTS `JobApplication` (